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Epidermis Structure and Cell Types

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Questions and Answers

Which type of secretion is characteristic of the sebaceous gland?

Merocrine

Apocrine

Eccrine

Holocrine (correct)

What is the primary function of the follicular bulge stem cells in wound healing?

Re-epithelialization of full thickness burns

Differentiation into melanocytes

Re-epithelialization of partial thickness burns (correct)

Production of sebum

What is the location of the sebaceous gland in relation to the hair follicle?

Surrounding the hair shaft

Adjacent to the infundibulum (correct)

Deep in the dermal papillae

Within the hair bulb

What is the approximate lifespan of the stratified cells in the sebaceous gland?

8 days (C) Signup and view all the answers

What is the primary function of the arrector pili muscle?

Causing 'goosebumps' (A) Signup and view all the answers

Which type of burn requires the use of skin grafts for adequate wound healing?

3rd degree burns (B) Signup and view all the answers

What is the function of the dermal papillae in wound healing?

Providing a vascularized loose connective tissue framework (C) Signup and view all the answers

What is the characteristic appearance of sebaceous gland cells?

Foamy and lipid-rich (C) Signup and view all the answers

What is the origin of the sebaceous gland and hair follicle?

From the same epithelial layer (C) Signup and view all the answers

What is the function of the hair follicle bulge?

Epithelial stem cell population (A) Signup and view all the answers